Apparatus for dyeing



(No Model.) 5 Sheets-Sheet 1.

A. F. MELROSE 8a H. B. VAN DEUSEN. APPARATUS PQR DYEING.

No. 603,915. Patentedlvlay 10,189

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A. F. MELROSE & H. B. VAN DBUSEN. APPARATUS PoR DYEING.

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(No Model.)

A. F. MELROSE 8: H. B. VAN DEUSEN.

APPARATUS FOR DYEING. N0. 603,915.

Patentedl/Iay 10 1898.

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A. F. MELROSE & H. B. VAN DEUSEN.

.APPARATUS FOR DYEING.

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APPARATUS FOR DYBING.4

A. F. MELROSE 8v H. B. VAN 'DEUSBNf (No Model.)

. thereof being shown in vertical section.

iran` ALEXANDER F. MELROSE AND HENRY B. VAN DEUSEN, OF PITTSFIELD, MASSACHUSETTS.

APPARATUS FOR DYEING.

SPECIFICATION forming part of Letters iPatent No. 603,915, dated May 10, 1898. Application filed September 8, 1897. Serial No. 650,906. (No model.)

To @ZZ whom t may concern:

Be it known that we, ALEXANDER F. MEL- RosE and HENRY B. VAN DEUsEN, citizens of the United States, residing at Pittsiield, in the county of Berkshire, State of Massachusetts, have invented certain new and useful Improvements in Dyeing Apparatus, of which the following is a description, reference being had to the accompanying drawings and to the letters of reference marked thereon.

Our invention relates to apparatus for dyeing wool, cotton, shoddy, dac.

The objects of our invention are to provide a simple and economical dyeing apparatus in which a single spraying or circulation pipe will serve for a plurality of tanks, to provide an eective device for introducing dye into the circulation-pipe at the suction side of its forcing means or pump, to provide an improved suction-box and steam-head for the tank or Vat, to improve the construction of the sprayer proper, to provide verticallymovable covers for the tanks, and to provide the circulating-piping with steam and cold water connections to boil and cool the stock, respectively. These objects we accomplish by means of the mechanism illustrated in the accompanying drawings, in which- Figure l is a side elevation of the apparatus, one tank and the part in the bottom Fig. 2 is a plan of the same, the false bottom of one tank being partially removed. Fig. 3 is a vertical section on line 3 3, Fig. 2, looking to the right. Fig. 4. is a detail view showing the suction-box in side elevation and plan. Fig. 5 is a side elevation of the suction-box with the steam-head in place. Fig. 6 is a plan thereof; and Fig. 7 is a transverse vertical section on line 7 '7, Fig. 6.

A A represent the dyeing tanks or vats, supported in any suitable manner, but preferably on masonry, as shown, in a lower room or chamber A2 and extending up through the Iiooring of an upper chamber A3, as shown in Figs. 1 and 3. The tanks are provided with false bottoms formed of a central circular apertured plate a, supported by the legs or angle-bars c and provided around its periphery with an annular groove, forming a supporting shoulder or I'iange c2, which receives and supports the inner ends of the perforated i bottom-sections c3, while an annular ring a4 in the tank supports the outer ends of the said bottom-sections. This provides for the ready removal of the bottom-sections when cleansing of the tank requires it.

B are suction-boxes which are bolted at their outer open flanged ends to the Vinterior of tanks and extend inwardly under the plates a, where they are provided in their bottoms with a circular opening b, having a surrounding flange b', as shown. This opening b is directlyin the center of the tub, tank, or vat, and the iiange b is spaced above the bottom thereof, so as to provide for the inflow of the liquid equally from every direction.

B B2 are suction-pipes connected with the outer ends of the suction-boxes by suctionnozzles b b2, and provided with valves b3 b4, the stems of which extend up into the chamber A3, where they are provided with handwheels. These pipes B B2 are connected together beyond their valves by a short pipe b5, ywhich in turn connects by a coupling be and elbow 57 with the inlet end of a rotary pump F or other suitable forcing device. A cold-water pipe B4 is coupled to the pipe b5 and has a valve B5, the stem of which extends up into chamber A3, where it is provided with a hand-wheel. The pump Fis provided with a drip-valve for use in winter to allow all liquor to escape from the pump-casing.

B6 is a horizontal pipe extending between the tanks or tubs A A in chamber A2 and connected at one end with the discharge side of the rotary pump F by an elbow B7. (See Fig. 3.)A

t nected at its lower end to the rear end of pipe B6 and provided at its upper end with the horizontally-swinging section E', connected thereto by the swiveled elbow E2. The free end of the swinging section E has a depending discharge-pipe E3, adapted to register with the center of every tank or tub A A', dac., when swung thereover. The lower end of the pipe E3 is provided with a horizontal iiange or stay-plate e, through which pass the vertical bolts e', the lower ends of which support the horizontal foraminated spray plate or disk e2.

E4 is a hood secured to pipe E3 above plate e and extends out beyond the periphery of the spray-plate e2.

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It will be seen, therefore, that when valves B5 h4 are closed and valve h3, for instance, open and the pump or other forcing device F set in operation the liquid will be drawn from the bottom of the tub or tank A, at the center thereof, through suction-box B, pipes B' b5 197, and then discharged through pipes B6 E F/E3 upon spray-plate e2, which will spray or distribute it evenly over the stock contained in the tank, this action being furthered by the hood E4, as shown in Fig. l. It is obvious that by swinging the pipe E' over t-ank A the liquid may be transferred from tank A thereto, when by closing valve b3 and opening valve b4 the dye liquid may be circulated through said tank A. In order to heat the liquid in the tanks, we provide them with steam-heads G, which are in the form of a tubular fork and straddle the inner ends of the suction-boxes B, the latter being provided with end and side ears or lugs b9, to which are bolted the corresponding ears g on the heads G. (See Figs. 5, 6, and 7.)

The steam-head G (see Figs. 6 and 7) has an inlet g', intersecting its two branches g2 g3, and these branches terminate in the dischargenozzles g4,which open upwardly and incline towardb each other at opposite sides of the opening G are valved steam-pipes which enter the tanks below their false bottoms and are there connected to the inlet g of the heads G. By this construction the dye liquor may be readily heated to the boiling-point, and as the steam enters the tub at the center and the nozzles are inclined toward each other the stock will not be rolled in the tank by the force of the steam. The liquor may be further heated by means of steam from a pipe H, provided with a nozzle h, which discharges forwardly into the pipe B6 at its elbow B7. (See Fig. 3.) This steam-jet will also act as an injector and assist in circulating the dye liquor through the circulating-pipes.

In order to supply additional dye to the liquor during the process of dyeing,we provide a dye-receptacle K, which is connected by a valved pipe 7c at its nozzle 7c with the pipe t7, just in advance of the pump F orinjector, so that the dye will be thoroughly incorporated or mixed with the liquor in passing through said pump. The receptacle K and its valve are within chamber A3.

A6 and A7 are the covers for the tanks A A and are suspended and raised and lowered by any suitable mechanism-such, for instance, as the ropes, pulleys, and windlasses shown in Fig. l, which are so well understood that further description is deemed unnecessary. The covers are provided at one side with a hooded opening A8 to permit them to pass idown over the pipe E', as shown in The operation may be briefly stated as follows: The dye liquor is iirst prepared in the tub A or A and heated by steam through head G, and the stock is then placed therein.

The liquor is circulated by means of the pump F and piping from bottom of tub to the sprayer, Where it is evenly sprayed over the stock. Steam is then admitted through pipe H and nozzle h and properly regulated by the valve. The tub-cover is then lowered to keep in the heat and the circulation of the dye liquor is kept up till the liquor comes to a boil,when the cover may be raised and the stock examined to ascertain whether it is the right shade. lf it is not, then open valve in pipe k and allow more dye to enter pipe 57 through dye-nozzle, so, that it will be thoroughly mixed by pump before it reaches the stock. In dyeing black, for example, at least one-fourth of the strength is left in the liquor after the batch is dyed. To save this, swing the sprayer over tank A and pump the liquor from tank A into tank A and open valve in pipe 7c to admit enough dye to bring the liquor up to the required strength, when another batch may be dyed. Aftera batch has been dyed in tub A and the liquor thus drawn oft' cold-water valve B5 is opened and the water pumped into tub A through the sprayhood, the water being warmed by steam entering through pipe H and nozzle h to keep cold water from coming in contact with the stock, which would render it harsh and full it, while warm water renders the stock soft and cools it evenly. This cooling off is done in order to keep or setthe shade,which would grow darker if the stock remained hot.

All of the valves referred to except dripvalve f are operated from within chamber A3 at the same side of the tanks, and vertical pipe E is at the opposite side of the tanks out of the way of the operator.

Having thus described our invention, what we claim as new, and desire to secure by Letters Patent, is-

1. The combination with the dye tub or tank having a foraminated or reticulated false bottom, of circulation-piping for the dye liquor having a central discharge-sprayer over the upper end of the tub, and a central suction-box in the space between said false bottom and the tub-bottom: said box being closed at its top and open below to permit the liquid to iiow therein from all directions, substantially as described.

2. The combination with the dye tub or tank having a foraminated or reticulated false bottom, of circulation-piping for the dye liquor having a central discharge-sprayer over the upper end of the tub and a suction-box in the space between the false bottom and tubbottom: said box being closed at the top, open at the bottom and there provided with a depending ange thelower edge of which is located above the tub-bottom, substantially as described.

3. The combination with the tub or tank having a foraminated or intersticed false bottom, of a suction-box below having an inlet-opening in its bottom at the center of the tub, a steam-head on the said box and hav- IOO IIO

ing its discharge at the center of the tub, Aa supply-pipe for the head and a circulation-- piping connected to said suction-box and provided at its discharge end with a spraying or distributing device over the tub; substantially as described.

4t. The combination with a tub or vat and its foraminated or reticulated false bottom, of valved piping extending from the bottom of the tub over the upper end thereof and there provided with a spraying or distributing device, a pump for forcing the liquor through the piping, a valved cold-water pipe connected to the `circulation-piping at the suction side of said pump, a steam-pipe discharging into the circulation-piping to heat the contents (liquor or cold water) and a steam-pipe discharging into the tub below its false bottom; substantially as described.

5. The combination with the tub or tank having a foraminated or reticulated false bottom, of a pump and piping for drawing the liquor from the bottom of the tub and distributing it over the upper end thereof, and a steam-pipe discharging forwardly into said piping at the discharge side of the pump to assist it as an injector and also heat the liquor;

substantially as described.

6. The combination with the tub or tank having a reticulated or foraminated false bottom, valved circulation-piping extending from the bottom of the tub over the top thereof, and provided between its ends with aliquid-forcing device to cause a continuous circulation through the pipe and tank, and a dye-receptacle K having a valved connection k at its lower end with the circulation-pipe at the suction side of the forcing device to permit the dye to iiow down into the pipe and be thoroughly mixed with the liquor by said forcing device; substantially as described.

7. A dyeing apparatus comprising a tank having a perforated or reticulated false bottom, a valved steam-pipe discharging into the tank below said false bottom, a circulation-pipe exterior to the tank, in communication therewith at the top and bottom and operating separately and independently thereof, a forcing device between the ends thereof, and a dye vessel K having a valved outlet 7a secured at its lower end to the circulation-pipe just in advance of the forcing device, the dye being adapted to flow by gravity from vessel K into the circulation-pipe and be mixed with the liquor by the forcing device; substantially as described.

8. A dyeing apparatus comprising a plurality of tubs having false bottoms, valved suction-pipes leading from the bottoms of said tubs, a pump to the inlet side of which said suction-pipes are connected, a discharge-pipe leading from the pump and provided with a vertical member having a horizontally-swinging section adapted to be swung over all of the tubs and there provided with a sprayer or distributer, steam-pipes discharging into the bottoms of the tubs to heat the contents,

a valved cold-water pipe connected to the pipin gfat the suction side of the pump,a steampipe discharging forwardly into the piping at the discharge side of the pump and a. dyesupply communicating with the piping at the suction side of the pump; substantially as described.

9. In a dyeing apparatus, a suction-box having an inlet-opening at the inner end of its bottom, and a steam-head on the inner end of the box and having upwardly-discharging outlets at opposite sides of said suction-box inlet; substantially as described.

10.A In a dyeingapparatus a suction-box having an inlet-opening at the inner lend of its bottom and provided on the outer sides of said end with apertured ears or lugs, and aforked or branched steam-head embracing the inner end of 'said box and having apertured ears or lugs registering with those on the box and bolted thereto, said head also having discharge openings or nozzles opening upwardly and inwardly at opposite sides of the suction-box inlet; substantially as described..

ll. The combination with the tub having a foraminated or reticulated false bottom, of a suction-box secured to the tub under the false bottom and provided at the center thereof with a bottom inlet-opening, a circulationpipe extending from the outer end of the suction-box up Aover the top of the tub, a forcing device between the ends of the circulationpipe, a steam-head on the inner end of the suction-box and having discharge-nozzles opening upwardly and inwardly at opposite sides of the suction-box inlet, and a steampipe connected with said head; substantially as described.

12. A dyeing apparatus comprisingatub or vat, having a foramin ated or reticulated false bottom and a suspended vertically-movable cover provided with a hooded side opening, a circulation-pipe extending from the bottom of the tub and provided with a horizontallyswinging member extending through said hooded top opening, a forcing device for the liquid in the circulating-pipe, and a steampipe discharging into the bottom of the tank. to heat its contents; substantially as described.

13. Thecombination with the tank having a foraminated or reticulated false bottom, of a circulating-pipe connected with the bottom of the tank and having a horizontal section extending over the top of the tank and there provided with a depending pipe E3, a sprayplate suspended under the end of pipe ES and a hood E4 secured to said pipe and extending out beyond the periphery of said spray-plate substantially as described.

In testimony whereof we affix our signatures in presence of two witnesses.

ALEXANDER F. MELROSE." HENRY B. VAN DEUSEN. Witnesses:

PETER SADDLER, GEORGE PATTERSON.

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